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2748888481 is a prime number
BaseRepresentation
bin1010001111011000…
…1011010110100001
321002120112000002111
42203312023112201
521112203412411
61132434115321
7125056111063
oct24366132641
97076460074
102748888481
111190748669
1264871bb41
1334a672c41
141c111b733
151114e0721
hexa3d8b5a1

2748888481 has 2 divisors, whose sum is σ = 2748888482. Its totient is φ = 2748888480.

The previous prime is 2748888431. The next prime is 2748888509. The reversal of 2748888481 is 1848888472.

2748888481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2735813025 + 13075456 = 52305^2 + 3616^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748888481 - 211 = 2748886433 is a prime.

It is a super-2 number, since 2×27488884812 = 15112775761948974722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2748888421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374444240 + 1374444241.

It is an arithmetic number, because the mean of its divisors is an integer number (1374444241).

Almost surely, 22748888481 is an apocalyptic number.

It is an amenable number.

2748888481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748888481 is an equidigital number, since it uses as much as digits as its factorization.

2748888481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7340032, while the sum is 58.

The square root of 2748888481 is about 52429.8434195640. The cubic root of 2748888481 is about 1400.8308811055.

Subtracting from 2748888481 its reverse (1848888472), we obtain a palindrome (900000009).

The spelling of 2748888481 in words is "two billion, seven hundred forty-eight million, eight hundred eighty-eight thousand, four hundred eighty-one".